Smoothwall’s security solutions help businesses, schools and organisations to protect their users from web-related threats and objectionable content.
Founded in 2001, its CEO George Ell previously worked at American tech giant Tesla as its director in western Europe.
Tenzing Private Equity backed a management buyout of the firm in 2017.
Smoothwall is currently operating in 32 per cent of primary schools, 37 per cent of secondary schools, 15 per cent of independent schools and 19 per cent of higher and further education institutions.
Check out our '101 Yorkshire and Humberside’ list for more tech stars from the region.